Table 2 Hemagglutination activity of purified H1 A/California/07/2009, H1 A/Brisbane/59/2007, H1 A/New Caledonia/20/99 and H1 A/Solomon Islands/03/2006 rHA
rHA derived from various H1N1 influenza viruses | Guinea pig red blood cells | Chicken red blood cells | Turkey red blood cells | |
|---|---|---|---|---|
(HA units/μg protein) | ||||
A/California/07/2009 | N = 8 | 160 | <20 | 60 |
A/Brisbane/59/2007 | N = 6 | 3200 | 1706 | 2560 |
A/New Caledonia/20/99 | N = 2 | 6400 | 800 | 960 |
A/Solomon Islands/03/2006 | N = 2 | 120 | 100 | 40 |